• Welcome to the
    Snoqualmie Valley
    School District!

    Check the Back-to-school Information on the district website for school supply lists, "Meet Your Teacher" dates, and much more!
    The first day of school is Wednesday, September 3, 2014!
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Contact Us

  • Main Campus Office
    Phone: 425.831.8100
    Attendance: 425.831.8200
    Counseling: 425.831.8150
    Athletics: 425.831.8103
    Hours: 7:00 - 3:30 p.m.
    Freshman Campus Office
    Phone: 425.831.8450
    Attendance: 425.831.8450
    Counseling: 425.831.8475
    Athletics: 425.831.8103
    Hours: 7:00 - 3:30 p.m.
    Finance Hours - both campuses
    7:30 - 12:30 p.m.
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  • First Day of School – See Special Schedule on September 3rd

    MSHS will have a special schedule the first day of school for the 2014-15 school year. 7:35am start for 9th Graders, 10:40am start for 10th-12th Graders. Go here for complete information.

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  • Need to correct your class schedule?

    Please complete and return the Schedule Correction form to the Counseling Center. No appointments will be made for schedule corrections. You may fax the completed form to 425-831-8223. Please note that you need to meet at least one of the listed criteria to be eligible for a schedule correction.

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  • Need to Return Textbooks?

    Do you have a fine due to textbooks that have not yet been returned? Please return the books to the assigning teacher. The fine will be removed within 24 hours.

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  • Paying School Fees

    Non-course fees may be paid online now (see the Quick Link to the left) or in person at the Finance Window at the main campus starting September 2nd from 9 a.m.-1 p.m. Course fees will be available to pay online or in person beginning in mid-September after class schedules are finalized.

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  • Required School Forms

    Just a few forms are required each year. Go here to print them. Please bring to the main office.

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  • School Pictures

    School picture make-up day is September 11th. Those students still needing pictures will be excused from class that day. Order forms are availabe in the main office. To print the order form and to pay for pictures online, go here.

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  • Parking Permit

    Parking permits are now SOLD OUT. Permits were prioritized for Seniors and Juniors and are now sold out.

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  • Traffic Safety and Psychology staff have been hired

    If you are enrolled in Traffic Safety or Psychology, we have hired two outstanding teachers and are pleased to announce those courses will be offered as planned. Welcome to Mr. Raisio (Traffic Safety) and Mr. Viera (Psychology).

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  • Freshman Lock-in & Link Crew

    The date of Freshmen Lock – in is Friday, September 19, 2014. It will be held at our Main Campus. The hours are approximately 9:00PM (right after home football game) – Midnight.

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  • Wildcat Workers for Hire

    Mount Si athletes can be hired for yard work by contacting wildcatworkers@hotmail.com.

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  • AP Scores Available Starting July 5th

    You will receive access to AP scores based on your location starting July 5th. Look for an email in early July at the same address you put on your AP answer sheet, reminding you how and when to access your scores. Click here for the direct link to AP Scores for Students.

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Welcome to MSHS

Mount Si High School is the sole comprehensive high school in the Snoqualmie Valley School District, serving approximately 1,600 students in grades 9-12. Opening in 1945, Mount Si High School offers a safe, positive learning environment with a comprehensive program to inspire learning and challenge students as they prepare for college and 21st Century careers. Students have access to rigorous college preparatory curriculum, exceptional career technical education programs, and a rich array of elective classes and extracurricular activities to expand their skills and interests.

School Profile

Mount Si High School Profile